//Export2Excel.js
/* eslint-disable */
require("script-loader!file-saver");
require("./Blob.js"); //转二进制用  这边要写你的blob的实际地址
require("script-loader!xlsx/dist/xlsx.core.min");

function generateArray(table) {
  var out = [];
  var rows = table.querySelectorAll("tr");
  var ranges = [];
  for (var R = 0; R < rows.length; ++R) {
    var outRow = [];
    var row = rows[R];
    var columns = row.querySelectorAll("td");
    for (var C = 0; C < columns.length; ++C) {
      var cell = columns[C];
      var colspan = cell.getAttribute("colspan");
      var rowspan = cell.getAttribute("rowspan");
      var cellValue = cell.innerText;
      if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
      //Skip ranges
      ranges.forEach(function (range) {
        if (
          R >= range.s.r &&
          R <= range.e.r &&
          outRow.length >= range.s.c &&
          outRow.length <= range.e.c
        ) {
          for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
        }
      });

      //Handle Row Span
      if (rowspan || colspan) {
        rowspan = rowspan || 1;
        colspan = colspan || 1;
        ranges.push({
          s: {
            r: R,
            c: outRow.length,
          },
          e: {
            r: R + rowspan - 1,
            c: outRow.length + colspan - 1,
          },
        });
      }
      //Handle Value
      outRow.push(cellValue !== "" ? cellValue : null);
      //Handle Colspan
      if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
    }
    out.push(outRow);
  }
  return [out, ranges];
}

function datenum(v, date1904) {
  if (date1904) v += 1462;
  var epoch = Date.parse(v);
  return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
}

function sheet_from_array_of_arrays(data, opts) {
  var ws = {};
  var range = {
    s: {
      c: 10000000,
      r: 10000000,
    },
    e: {
      c: 0,
      r: 0,
    },
  };
  for (var R = 0; R != data.length; ++R) {
    for (var C = 0; C != data[R].length; ++C) {
      if (range.s.r > R) range.s.r = R;
      if (range.s.c > C) range.s.c = C;
      if (range.e.r < R) range.e.r = R;
      if (range.e.c < C) range.e.c = C;
      var cell = {
        v: data[R][C],
      };
      if (cell.v == null) continue;
      var cell_ref = XLSX.utils.encode_cell({
        c: C,
        r: R,
      });

      if (typeof cell.v === "number") cell.t = "n";
      else if (typeof cell.v === "boolean") cell.t = "b";
      else if (cell.v instanceof Date) {
        cell.t = "n";
        cell.z = XLSX.SSF._table[14];
        cell.v = datenum(cell.v);
      } else cell.t = "s";
      // // 修改顶部颜色
      // if (cell_ref.includes(1)) {
      //   console.log(cell_ref);
      //   cell.fill = {
      //     patternType: "solid",
      //     fgColor: { rgb: "#B7BAB3" },
      //   };
      // }
      ws[cell_ref] = cell;
    }
  }
  if (range.s.c < 10000000) ws["!ref"] = XLSX.utils.encode_range(range);
  return ws;
}

function Workbook() {
  if (!(this instanceof Workbook)) return new Workbook();
  this.SheetNames = [];
  this.Sheets = {};
}

function s2ab(s) {
  var buf = new ArrayBuffer(s.length);
  var view = new Uint8Array(buf);
  for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xff;
  return buf;
}

export function export_table_to_excel(id) {
  var theTable = document.getElementById(id);
  var oo = generateArray(theTable);
  var ranges = oo[1];

  /* original data */
  var data = oo[0];
  var ws_name = "SheetJS";
  var wb = new Workbook(),
    ws = sheet_from_array_of_arrays(data);

  /* add ranges to worksheet */
  // ws['!cols'] = ['apple', 'banan'];
  ws["!merges"] = ranges;

  /* add worksheet to workbook */
  wb.SheetNames.push(ws_name);
  wb.Sheets[ws_name] = ws;

  var wbout = XLSX.write(wb, {
    bookType: "xlsx",
    bookSST: false,
    type: "binary",
  });

  saveAs(
    new Blob([s2ab(wbout)], {
      type: "application/octet-stream",
    }),
    "test.xlsx"
  );
}

function formatJson(filterVal, jsonData) {
  // return jsonData.map((v) => filterVal.map((j) => v[j]));
  console.log(jsonData);
}
function dateFormat(dataStr) {
  if (!dataStr) {
    return;
  }
  var dt = new Date(dataStr);
  var y = dt.getFullYear();
  var m = (dt.getMonth() + 1).toString().padStart(2, "0");
  var d = dt.getDate().toString().padStart(2, "0");
  var hh = dt.getHours().toString().padStart(2, "0");
  var mm = dt.getMinutes().toString().padStart(2, "0");
  // var ss = dt.getSeconds().toString().padStart(2, "0");
  return `${y}-${m}-${d} ${hh}:${mm}`;
}
function fmtDate(date) {
  var dateee = new Date(date).toJSON();
  return new Date(+new Date(dateee) + 8 * 3600 * 1000)
    .toISOString()
    .replace(/T/g, " ")
    .replace(/\.[\d]{3}Z/, "");
}
export function export_json_to_excel(th, jsonData, defaultTitle) {
  /* original data */
  var dataArr = [];
  var regx =
    /^\d{4}-(?:0[1-9]|1[0-2])-(?:0[1-9]|[1-2]\d|3[0-1])T(?:[0-1]\d|2[0-3]):[0-5]\d:[0-5]\d(?:\.\d+|)(?:Z|(?:\+|\-)(?:\d{2}):?(?:\d{2}))$/;
  jsonData.forEach((item, index) => {
    var Arr = [];
    for (var j = 0; j < item.length; j++) {
      var Item = item[j];
      // console.log(regx.test(Item))
      if (regx.test(Item)) {
        //判断是否为utc时间格式
        Item = dateFormat(Item);
      }
      Arr.push(Item);
    }
    dataArr.push(Arr);
  });

  var data = dataArr;
  // return
  // var data = jsonData;
  data.unshift(th);
  var ws_name = "SheetJS";

  var wb = new Workbook(),
    ws = sheet_from_array_of_arrays(data);

  if (true) {
    /*设置worksheet每列的最大宽度*/
    const colWidth = data.map((row) =>
      row.map((val) => {
        /*先判断是否为null/undefined*/
        if (val == null) {
          return {
            wch: 12,
          };
        } else if (val.toString().charCodeAt(0) > 255) {
          /*再判断是否为中文*/
          return {
            wch: val.toString().length * 2,
          };
        } else {
          return {
            wch: val.toString().length,
          };
        }
      })
    );
    const borderAll = {
      top: {
        style: "thin",
      },

      bottom: {
        style: "thin",
      },

      left: {
        style: "thin",
      },

      right: {
        style: "thin",
      },
    };
    /*以第一行为初始值*/
    let result = colWidth[0];
    for (let i = 1; i < colWidth.length; i++) {
      for (let j = 0; j < colWidth[i].length; j++) {
        if (result[j]["wch"] < colWidth[i][j]["wch"]) {
          result[j]["wch"] = colWidth[i][j]["wch"];
        }
      }
    }
    ws["!cols"] = result;
    // console.log(result, "result", ws);
    // ws["A1"].s = {
    //   font: { sz: 10, color: { rgb: "ff0000" }, bold: true },
    //   alignment: { horizontal: "center", vertical: "center", wrapText: true },
    //   fill: { bgColor: { indexed: 64 }, fgColor: { rgb: "FFFF00" } },
    // };
  }
  /* add worksheet to workbook */
  wb.SheetNames.push(ws_name);
  wb.Sheets[ws_name] = ws;

  var wbout = XLSX.write(wb, {
    bookType: "xlsx",
    bookSST: false,
    type: "binary",
  });
  var title = defaultTitle || "列表";

  saveAs(
    new Blob([s2ab(wbout)], {
      type: "application/octet-stream",
    }),
    title + ".xlsx"
  );
}
//  export_json_to_excel({header:tHeader,data,filename:"收货入库"});
export function export_json_to_excel1({
  header, //表头数据
  data, //文件数据
  filename, //文件名称
  multiHeader = [], //多级表头设定
  merges = [], //合并单元格的数据 ['A1:K1','A3:A4','B3:C3','D3:E3','F3:G3','H3:I3','J3:K3']
  autoWidth = true, //自适应宽度
  bookType = "xlsx", //文件类型
} = {}) {
  /* original data */
  filename = filename || "excel-list";
  data = [...data];
  data.unshift(header);

  for (let i = multiHeader.length - 1; i > -1; i--) {
    data.unshift(multiHeader[i]);
  }

  var ws_name = "SheetJS";
  var wb = new Workbook(),
    ws = sheet_from_array_of_arrays(data);

  if (merges.length > 0) {
    if (!ws["!merges"]) ws["!merges"] = [];
    merges.forEach((item) => {
      ws["!merges"].push(XLSX.utils.decode_range(item));
    });
  }

  if (autoWidth) {
    /*设置worksheet每列的最大宽度*/
    const colWidth = data.map((row) =>
      row.map((val) => {
        /*先判断是否为null/undefined*/
        if (val == null) {
          return {
            wch: 10,
          };
        } else if (val.toString().charCodeAt(0) > 255) {
          /*再判断是否为中文*/
          return {
            wch: val.toString().length * 2,
          };
        } else {
          return {
            wch: val.toString().length,
          };
        }
      })
    );
    /*以第一行为初始值*/
    let result = colWidth[0];
    for (let i = 1; i < colWidth.length; i++) {
      for (let j = 0; j < colWidth[i].length; j++) {
        if (result[j]["wch"] < colWidth[i][j]["wch"]) {
          result[j]["wch"] = colWidth[i][j]["wch"];
        }
      }
    }
    ws["!cols"] = result;
  }

  /* add worksheet to workbook */
  wb.SheetNames.push(ws_name);
  wb.Sheets[ws_name] = ws;

  /**
   * 自定义
   */
  var dataInfo = wb.Sheets[wb.SheetNames[0]];
  let arr = [
    "A1",
    "B1",
    "C1",
    "D1",
    "E1",
    "F1",
    "G1",
    "H1",
    "I1",
    "J1",
    "K1",
    "L1",
    "M1",
    "N1",
    "O1",
    "P1",
    "Q1",
    "R1",
    "S1",
    "T1",
    "U1",
    "V1",
    "W1",
    "X1",
    "Y1",
    "Z1",
  ];

  let style = {
    font: {
      color: { rgb: "000000" },
      bold: true,
    },
    alignment: {
      horizontal: "center",
      vertical: "center",
    },
  };
  for (var i = 0; i < header.length; i++) {
    dataInfo[arr[i]].s = style;
  }
  var wbout = XLSX.write(wb, {
    bookType: bookType,
    bookSST: false,
    type: "binary",
  });
  saveAs(
    new Blob([s2ab(wbout)], {
      type: "application/octet-stream",
    }),
    `${filename}.${bookType}`
  );
}
